Surf Forecasts:
Lakey Pipe surf forecast from 14 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 5AM (local time) - 6ft (1.8m), 15s period, SW swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 2AM (local time) - 7ft (2.2m), 16s period, SW swell with 2,344 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 5AM (local time) - 6ft (1.8m), 15s period with SW swell.
Best Forecast Surf Conditions for Lakey Pipe this week:
The surf forecast for Lakey Pipe over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 5AM. The primary swell is predicted to be 1.8m and 15s period with a secondary swell of 0.5m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lakey Pipe in the next 16 days are 2.2m 16s and forecast to arrive on Monday (Sep 21) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Thursday (Sep 17) at 2AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 15th Sep) | 6ft (1.8m) 15s |
| Best Surf | 5AM (Tue 15th Sep) | 6ft (1.8m) 15s |
| Most Powerful | 2AM (Mon 21st Sep) | 7ft (2.2m) 16s |
Table - best surf conditions forecast for Lakey Pipe over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break down what’s coming for the next couple of weeks. We’ve only got one spot in the mix, and it’s a good one: Lakey Pipe. This reef break is wide open to the SW swell, and the swell is coming from the sweet spot direction all run.
Water temp is about 80°F, right where it should be for this time of year. The whole forecast is driven by long-period groundswell. The energy starts solid and climbs, with numbers that hit the hundreds early and keep climbing well into the thousands, even pushing past 3000 later on. Periods are mostly 14 to 17 seconds, which is prime for a reef. That kind of long-period energy can be a little straight at beach breaks, but on a reef like this, it’ll line up beautifully.
Winds are light to gentle from the SE and SSE, giving a clean cross-offshore flow. Not dead glassy, but plenty clean enough for good shape. Swell runs from about 5 to 7 feet for most of the first week, which is solid intermediate stuff. By the end of the run, it pushes into the 7 to 8-foot range, which is expert level.
First surf hits Monday the 14th: 6ft from the SW, 16-second period, clean. Good, but the real standout comes Saturday the 26th and Sunday the 27th, with 8ft from the SSW, 16 seconds, and light winds. The combined energy is over 2800 – that’s serious power. Then Monday the 28th tops it all: 8ft from the SSW, 17-second period, light offshore crossover, and energy pushing past 3000. That’s the best of the whole run.
Crowds are listed as "often," so expect plenty of company. With this quality, it’ll be worth it.
No flat spells here – the whole 16 days has surf. The only softer spot is around September 22nd and 23rd, where the swell drops a bit in size and period, but still rideable, especially in the mornings.
This reef handles the long-period groundswell really well. If you’re intermediate, aim for the first week. If you’re experienced, wait for that last week of September, especially Monday the 28th.
The best session of the whole outlook: Monday the 28th of September, with that big, clean 8ft, 17-second groundswell and light winds.
Rusty out.
Short Range ForecastMostly dry. Warm (max 30°C on Thu afternoon, min 23°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Fri afternoon, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 14 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 14 | SSW 14 | SW 14 | SW 17 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1581 | 1520 | 1561 | 1493 | 1343 | 1426 | 1576 | 1690 | 1667 | 1303 | 1105 | 920 | 451 | 701 | 682 | 581 | 1927 | 2133 | 2344 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | glassy | cross-off | cross-off | off | cross-off | cross-off | glassy |
High Tide | 00:01AM3.11m | 12:24PM2.64m | 00:27AM3.02m | 12:51PM2.43m | 00:52AM2.87m | 1:18PM2.20m | 1:17AM2.67m | 1:43PM1.96m | 1:42AM2.44m | 2:11PM1.71m | 2:11AM2.21m | 3:08PM1.48m | 3:04AM1.97m | ||||||
Low Tide | 6:22AM0.18m | 6:16PM0.45m | 6:52AM0.30m | 6:39PM0.61m | 7:22AM0.48m | 7:01PM0.79m | 7:54AM0.70m | 7:20PM0.98m | 8:33AM0.94m | 7:34PM1.19m | 9:37AM1.18m | 7:16PM1.40m | |||||||
 |  |  | | | | | | | | | | | | | | | | | |
 | — | 6:00 | — | — | 6:00 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — |
 | 6:02 | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 28 | 25 | 28 | 28 | 25 | 28 | 30 | 25 | 28 | 29 | 25 | 28 | 28 | 25 | 28 | 29 | 25 |
Feels °C | 28 | 28 | 28 | 29 | 30 | 29 | 28 | 30 | 31 | 28 | 30 | 31 | 28 | 30 | 30 | 28 | 30 | 31 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 14 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 14 | SSW 14 | SW 14 | SW 17 | SW 16 | SW 16 |
| kJ | 1581 | 1520 | 1561 | 1493 | 1343 | 1426 | 1576 | 1690 | 1667 | 1303 | 1105 | 920 | 451 | 701 | 682 | 581 | 1927 | 2133 | 2344 |
Swell 2 Height (m) Direction Period (s) | E 6 | S 5 | SSE 5 | S 5 | S 5 | SE 4 | S 5 | SSE 6 | E 7 | SSE 5 | SW 22 | SW 21 | SW 16 | SW 20 | SW 18 | SW 18 | SE 6 | — | — |
| kJ | 16 | 12 | 19 | 14 | 12 | 5 | 9 | 3 | 4 | 11 | 18 | 18 | 291 | 137 | 266 | 457 | 15 | — | — |
Swell 3 Height (m) Direction Period (s) | S 6 | ESE 5 | — | SW 24 | ESE 5 | SSW 21 | E 6 | SSE 5 | — | — | SW 22 | SW 21 | SW 20 | SW 20 | — | — | — | — | — |
| kJ | 17 | 8 | — | 22 | 8 | 45 | 32 | 11 | — | — | 18 | 18 | 99 | 138 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 5 | E 5 | — | SE 5 | ESE 6 | E 5 | SE 5 | E 6 | ESE 5 | ESE 4 | E 6 | — | SE 6 | — | — | SE 6 | — |
| kJ | — | — | 13 | 29 | — | 13 | 71 | 17 | 10 | 16 | 20 | 6 | 6 | — | 14 | — | — | 17 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 179 | 0 | 0 | 0 | 177 | 0 | 0 | 173 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Sumbawa | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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Information about the Lakey Pipe Surf forecast
The above surf forecast table for Lakey Pipe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lakey Pipe can be found by selecting the local surf guide option on the grey menu. Our Lakey Pipe surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Lakey Pipe) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Lakey Pipe may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Sumbawa? If you are looking for accommodation near Lakai Pipe, camping, hotels and holiday cottages in Sumbawa, consider staying in Bima which is 52 km (32 miles) away. Alternatively, find information about places to stay and car hire in Raba which is 56 km (35 miles) away
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